These movements are dampened and converted into a gentle rocking motion. Better shock absorption * Easy installation * Max. load capacity: 150 kg. Length: 37 cm * Spring length 20 cm * Safety rope length: 27 cm. The set includes a spring, a safety rope, and 2 carabiners. * Suitable for indoor and outdoor use. Suitable for hanging chairs, hammocks, sandbags, hanging chairs, baby hammocks, or shade sails.